More expenses than they can fund.
Just admit you are on the wrong side of this thing and go long to make some money. My bet is we are in the 20's within 18-24 months.
Sentiment: Strong Buy
How many K$ are you actually loosing on this stock?
If you shorted at $8, unless you added more money, you got a margin call-period. My guess: he never made the trade. If he used options, he certainly has lost a lot of money.